Multifactor (YC F25)
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multifactorcom.bsky.social
Multifactor (YC F25)
@multifactorcom.bsky.social
We're redefining "zero-trust" for the agentic era.
Can't believe we get to work with such amazing partners like Nicolas Dessaigne at Y Combinator! The next two months are going to be MASSIVE for Multifactor and for agentic security in general 👀
September 22, 2025 at 6:38 PM
BIG NEWS: Multifactor is joining the Y Combinator Fall 2025 batch to solve the biggest flaw plaguing the AI revolution.

Here’s why this matters 🧵
September 18, 2025 at 9:32 PM
Multifactor’s platform and technology solves the “AAA threat” and enables new capabilities by allowing agentic applications to have secure access to users’ accounts:

multifactor.com/blog/aaa-thr...
Addressing the AAA Threat: AuthN, AuthZ, and Auditing for Agentic Applications
Multifactor’s platform and technology solves the “AAA threat” and enables new capabilities by allowing agentic applications to have secure access to users’ accounts .
multifactor.com
September 9, 2025 at 12:51 AM
We're honored to share that Multifactor has received a sizeable Zcash Community Grant for our development of MFKDF2! multifactor.com/blog/zcash-g...
Multifactor Receives Zcash Community Grant for Development of MFKDF2
We are are grateful to the Zcash Community for their support of MFKDF2, a secure, user-friendly, next-generation multi-factor key derivation function.
multifactor.com
August 21, 2025 at 8:18 PM
Enterprises are deploying agentic applications faster than cyber security measures can keep up, leading to major high-profile security incidents exploiting agentic vulnerabilities. Learn more about the AAA threats:

multifactor.com/blog/aaa-thr...
Introducing the AAA Threat: Secure Authentication, Authorization, and Auditing for Agentic Applications
Enterprises are deploying agentic applications faster than cyber security measures can keep up, leading to major high-profile security incidents exploiting agentic vulnerabilities.
multifactor.com
August 12, 2025 at 6:03 PM
Video: Multifactor is at Black Hat USA 2025 and DEFCON 33! Are you wrestling with the security implications of Agentic AI? Come chat with us!

#BHUSA #DEFCON33

multifactor.com/videos/black...
Perspectives on Security for AI Agents at Black Hat USA 2025
Multifactor is at Black Hat USA 2025 and DEFCON 33! Are you wrestling with the security implications of Agentic AI? Come chat with us!
multifactor.com
August 8, 2025 at 5:35 AM
Video: Switchboard offers provably secure, flexible, and efficient cryptographic enforcement of complex data authorization policies

multifactor.com/videos/switc...
Introducing Switchboard: Provably Secure, Flexible, and Efficient Authorization
Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates Switchboard, a secure, flexible, and efficient data authorization management solution that advances the current state of the art by cryptog...
multifactor.com
July 28, 2025 at 2:58 PM
We’re honored to receive the 2025 #NewmanGalasAward from the #HertzFoundation!

At Multifactor, we’re building new tools to help keep your identity safe online—even in a future shaped by AI and emerging cyber threats. Learn more: multifactor.com/blog/hertz-g...
Multifactor Wins Hertz Foundation's Harold Newman and David Galas Entrepreneurial Initiative
We are honored to receive this recognition, and are grateful to the Hertz Foundation for their belief in our mission to reinvent zero-trust for the modern web.
multifactor.com
July 25, 2025 at 7:10 PM
Colin Roberts provides a conceptual first look at the upcoming next-generation Multi-Factor Key Derivation Function (MFKDF2), planned for release later this year, via a live interactive demo video:

multifactor.com/videos/mfkdf...
First Look: Next-Generation Multi-Factor Key Derivation Function (MFKDF2)
Colin Roberts, CTO & Co-Founder of Multifactor, provides a first look at the next-generation Multi-Factor Key Derivation Function (MFKDF2), via a live interactive demo.
multifactor.com
July 22, 2025 at 1:19 PM
Introducing Switchboard: Multifactor's secure, flexible, and efficient data authorization management solution that cryptographically enforces complex authorization policies.

multifactor.com/blog/introdu...
Introducing Switchboard: Provably Secure, Flexible, and Efficient Authorization
Switchboard is Multifactor's secure, flexible, and efficient data authorization management solution that advances the current state of the art by cryptographically enforcing complex authorization poli...
multifactor.com
July 17, 2025 at 6:11 PM
Colin Roberts: "The core technologies that we have at Multifactor are finally able to address that 'AAA' threat."

Watch the video: multifactor.com/videos/colin...
Colin Roberts: Why I’m Excited About the Future of Multifactor
Colin Roberts, Co-Founder and CTO, shares his journey from pure mathematics to crypto-focused startups and now Multifactor, explaining why he's excited about the future of the company.
multifactor.com
July 14, 2025 at 3:53 PM
Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates an interactive tool and free API for selecting optimal parameters for hard KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, and Balloon Hashing: multifactor.com/videos/kdf-p...
Finding Optimal Parameters for KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, Balloon Hashing, & More
Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates an interactive tool and free API for selecting optimal parameters for hard KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, and Balloon Hashing.
multifactor.com
July 11, 2025 at 5:51 PM
We're building Checkpoint using novel cryptographic techniques to enable easy revocable, non-repudiable, and fine-grained sharing of any online account resource: multifactor.com/blog/introdu...
Introducing Checkpoint: A Better Way to Share Online Accounts
Checkpoint uses novel cryptographic techniques to enable easy revocable, non-repudiable, and fine-grained sharing of any online account resource.
multifactor.com
July 7, 2025 at 4:35 PM
Colin Roberts, Co-Founder and CTO, shares his journey from pure mathematics to crypto-focused startups and now Multifactor, explaining why he's excited about the future of the company: multifactor.com/blog/colin-r...
Colin Roberts: Why I’m Excited About the Future of Multifactor
Colin Roberts, Co-Founder and CTO, shares his journey from pure mathematics to crypto-focused startups and now Multifactor, explaining why he's excited about the future of the company.
multifactor.com
July 3, 2025 at 8:35 PM
Most cryptographers have faced the challenge of correctly configuring dozens of obscurely-named KDF security parameters. Here's our attempt to solve this problem for you, once and for all: multifactor.com/blog/kdf-par...
How to Choose Parameters for KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, Balloon Hashing, & More (Part 1 of 2)
A comprehensive guide and interactive tool for the delicate security decision of selecting the best parameters for hard KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, and Balloon Hashing.
multifactor.com
July 1, 2025 at 8:44 PM
Multifactor, Inc. is now officially a Public Benefit Corporation (PBC). Learn more about our commitment to improving computer security and privacy for all. https://multifactor.com/blog/public-benefit-corporation
May 19, 2025 at 6:35 PM
Multifactor has a new look today! Learn more about our redesigned brand identity. https://multifactor.com/blog/2025-multifactor-rebrand
May 13, 2025 at 7:33 PM
We're excited to announce that Solid Security is now Multifactor! Learn more about how we got here and what's ahead. https://multifactor.com/blog/solid-security
May 5, 2025 at 3:57 PM